Home / 12,671,157.77-17,486,542.02-7,165,356.33

Finding the Fourth Proportional to 12,671,157.77, 17,486,542.02 and 7,165,356.33

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Solution

The fourth proportional to 12,671,157.77, 17,486,542.02 and 7,165,356.33 is: 9,888,386.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,157.77 : 17,486,542.02 = 7,165,356.33 : x
  2. Step 2: Convert to fraction form
    12,671,157.77/17,486,542.02 = 7,165,356.33/x
  3. Step 3: Cross multiply
    12,671,157.77x = 17,486,542.02 × 7,165,356.33
  4. Step 4: Simplify right side
    12,671,157.77x = 125,297,304,552,817.98
  5. Step 5: Solve for x
    x = 125,297,304,552,817.98/12,671,157.77
  6. Step 6: Final answer
    x = 9,888,386.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.